
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>渲染图片案例</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    li {
      list-style: none;
    }

    .box {
      display: flex;
      flex-wrap: wrap;
      width: 540px;
      margin: 20px auto;
    }



    .box li {
      width: 100px;
      height: 100px;
      margin: 0 10px 10px 0;
    }

    .box li:nth-child(5n+1) {
      margin-right: 0;
    }

    .box li img {
      width: 100%;
      height: 100%; 
      border: 2px solid #258DF2;
      border-radius: 10px 0 10px 0;
    }
  </style>
</head>

<body>
  <div class="container">
    <div class="count-info">
      英雄图片总数: <span id="imageCount">0</span> 张
    </div>
    <ul class="box"></ul>
  </div>
</body>
  <script>
       let num = +prompt('请选择英雄个数1-20')
    document.write(` <ul>`)
    for (let i = 1; i <= num; i++) {
      if (num > 20) {
        alert('英雄不够，请充钱')
        break
      }
      document.write(`
     <li><img src="./images/${i}.webp"></li>
    `)
    }
    document.write(`</ul>`)
  </script>
</body>

</html>